Rolls-Royce Archives
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From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Graph comparing Mean Effective Pressure power curves for Goshawk II and 40/50 engines under bench and dynamometer conditions.

Identifier  Morton\M7\  img071
Date  5th May 1921 guessed
  
POWER CURVES GOSHAWK II & 40/50 (26 CU. INS. DISPLACEMENT.)
SYSTEMS ON THE BENCH & DYNAMOMETER.
CUT OUT OPEN DYNAMOMETER & BENCH TESTS TAKEN FROM THE SAME ENGINES
AVERAGE OF 6 CARS OF THE SAME
DYNAMOMETER READINGS AVERAGE
BENCH READING FROM EXPERIMENTAL
M.E.P. GII BENCH
M.E.P. 40/50 BENCH
M.E.P. GII DYNAMOMETER
M.E.P. 40/50 DYNAMOMETER
...OMETER
  
  


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